./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/hemlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/hemlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:31:34,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:31:34,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:31:34,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:31:34,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:31:34,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:31:34,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:31:34,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:31:34,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:31:34,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:31:34,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:31:34,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:31:34,705 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:31:34,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:31:34,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:31:34,706 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:31:34,707 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:31:34,708 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:31:34,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:31:34,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:31:34,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:31:34,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:31:34,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:31:34,709 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 [2025-03-13 22:31:34,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:31:34,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:31:34,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:31:34,957 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:31:34,957 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:31:34,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hemlock.i [2025-03-13 22:31:36,110 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31c0986a/9e713276a7b745f2be5fb7156fc6ca8f/FLAG9c1eb95b7 [2025-03-13 22:31:36,535 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:31:36,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hemlock.i [2025-03-13 22:31:36,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31c0986a/9e713276a7b745f2be5fb7156fc6ca8f/FLAG9c1eb95b7 [2025-03-13 22:31:36,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31c0986a/9e713276a7b745f2be5fb7156fc6ca8f [2025-03-13 22:31:36,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:31:36,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:31:36,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:31:36,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:31:36,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:31:36,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac62136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36, skipping insertion in model container [2025-03-13 22:31:36,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:31:38,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:31:38,422 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:31:38,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-03-13 22:31:38,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-03-13 22:31:38,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-03-13 22:31:38,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-03-13 22:31:38,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-03-13 22:31:38,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-03-13 22:31:38,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-03-13 22:31:38,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-03-13 22:31:38,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-03-13 22:31:38,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-03-13 22:31:38,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-03-13 22:31:38,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-03-13 22:31:38,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-03-13 22:31:38,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-03-13 22:31:38,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-03-13 22:31:38,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-03-13 22:31:38,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-03-13 22:31:38,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-03-13 22:31:38,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-03-13 22:31:38,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-03-13 22:31:38,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-03-13 22:31:38,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-03-13 22:31:38,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-03-13 22:31:38,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-03-13 22:31:38,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-03-13 22:31:38,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-03-13 22:31:38,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-03-13 22:31:38,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-03-13 22:31:38,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-03-13 22:31:38,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-03-13 22:31:38,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-03-13 22:31:38,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-03-13 22:31:38,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-03-13 22:31:38,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-03-13 22:31:38,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-03-13 22:31:38,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-03-13 22:31:38,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-03-13 22:31:38,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-03-13 22:31:38,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-03-13 22:31:38,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-03-13 22:31:38,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-03-13 22:31:38,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-03-13 22:31:38,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-03-13 22:31:38,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-03-13 22:31:38,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-03-13 22:31:38,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-03-13 22:31:38,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-03-13 22:31:38,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-03-13 22:31:38,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-03-13 22:31:38,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-03-13 22:31:38,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-03-13 22:31:38,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-03-13 22:31:38,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-03-13 22:31:38,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-03-13 22:31:38,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-03-13 22:31:38,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-03-13 22:31:38,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-03-13 22:31:38,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-03-13 22:31:38,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-03-13 22:31:38,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-03-13 22:31:38,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-03-13 22:31:38,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-03-13 22:31:38,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-03-13 22:31:38,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-03-13 22:31:38,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-03-13 22:31:38,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-03-13 22:31:38,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-03-13 22:31:38,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-03-13 22:31:38,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-03-13 22:31:38,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-03-13 22:31:38,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-03-13 22:31:38,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-03-13 22:31:38,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-03-13 22:31:38,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-03-13 22:31:38,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-03-13 22:31:38,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-03-13 22:31:38,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-03-13 22:31:38,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-03-13 22:31:38,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-03-13 22:31:38,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-03-13 22:31:38,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-03-13 22:31:38,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-03-13 22:31:38,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-03-13 22:31:38,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-03-13 22:31:38,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-03-13 22:31:38,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-03-13 22:31:38,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-03-13 22:31:38,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-03-13 22:31:38,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-03-13 22:31:38,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-03-13 22:31:38,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-03-13 22:31:38,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-03-13 22:31:38,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-03-13 22:31:38,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-03-13 22:31:38,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-03-13 22:31:38,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-03-13 22:31:38,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-03-13 22:31:38,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-03-13 22:31:38,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-03-13 22:31:38,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-03-13 22:31:38,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:31:38,830 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:31:38,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38 WrapperNode [2025-03-13 22:31:38,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:31:38,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:31:38,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:31:38,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:31:38,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,963 INFO L138 Inliner]: procedures = 919, calls = 930, calls flagged for inlining = 826, calls inlined = 97, statements flattened = 1041 [2025-03-13 22:31:38,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:31:38,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:31:38,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:31:38,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:31:38,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:39,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:39,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:39,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:39,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:39,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:31:39,042 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:31:39,043 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:31:39,043 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:31:39,044 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:39,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:31:39,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:39,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-13 22:31:39,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-13 22:31:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:31:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:31:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-13 22:31:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:31:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:31:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-13 22:31:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-13 22:31:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-13 22:31:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-13 22:31:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:31:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-13 22:31:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-13 22:31:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:31:39,095 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:31:39,229 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:31:39,231 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:31:39,413 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-13 22:31:39,414 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-9: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-18: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3705: havoc vatomicptr_await_eq_rlx_#t~ret420#1.base, vatomicptr_await_eq_rlx_#t~ret420#1.offset; [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3705-9: havoc vatomicptr_await_eq_rlx_#t~ret420#1.base, vatomicptr_await_eq_rlx_#t~ret420#1.offset; [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3705-18: havoc vatomicptr_await_eq_rlx_#t~ret420#1.base, vatomicptr_await_eq_rlx_#t~ret420#1.offset; [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-03-13 22:31:40,213 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-9: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-03-13 22:31:40,214 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-18: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-03-13 22:31:40,214 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-13 22:31:40,214 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-9: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-13 22:31:40,214 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-18: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-13 22:31:40,215 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:31:40,215 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:31:40,215 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:31:40,475 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:31:40,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:31:40 BoogieIcfgContainer [2025-03-13 22:31:40,476 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:31:40,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:31:40,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:31:40,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:31:40,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:31:36" (1/3) ... [2025-03-13 22:31:40,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431c71d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:31:40, skipping insertion in model container [2025-03-13 22:31:40,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (2/3) ... [2025-03-13 22:31:40,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431c71d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:31:40, skipping insertion in model container [2025-03-13 22:31:40,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:31:40" (3/3) ... [2025-03-13 22:31:40,484 INFO L128 eAbstractionObserver]: Analyzing ICFG hemlock.i [2025-03-13 22:31:40,496 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:31:40,497 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hemlock.i that has 2 procedures, 989 locations, 1 initial locations, 36 loop locations, and 39 error locations. [2025-03-13 22:31:40,497 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:31:40,741 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-13 22:31:40,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 992 places, 1144 transitions, 2295 flow [2025-03-13 22:31:41,080 INFO L124 PetriNetUnfolderBase]: 169/1220 cut-off events. [2025-03-13 22:31:41,083 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:31:41,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1225 conditions, 1220 events. 169/1220 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4582 event pairs, 0 based on Foata normal form. 0/1004 useless extension candidates. Maximal degree in co-relation 1099. Up to 8 conditions per place. [2025-03-13 22:31:41,108 INFO L82 GeneralOperation]: Start removeDead. Operand has 992 places, 1144 transitions, 2295 flow [2025-03-13 22:31:41,128 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 992 places, 1144 transitions, 2295 flow [2025-03-13 22:31:41,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:31:41,146 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f965545, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:31:41,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2025-03-13 22:31:41,157 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:31:41,159 INFO L124 PetriNetUnfolderBase]: 12/65 cut-off events. [2025-03-13 22:31:41,159 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:31:41,160 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:41,160 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:41,161 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:41,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash -413823464, now seen corresponding path program 1 times [2025-03-13 22:31:41,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:41,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244352711] [2025-03-13 22:31:41,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:41,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:41,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-13 22:31:41,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-13 22:31:41,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:41,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:41,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:41,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244352711] [2025-03-13 22:31:41,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244352711] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:41,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:41,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:41,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981458154] [2025-03-13 22:31:41,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:41,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:31:41,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:41,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:31:41,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:31:41,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 960 out of 1144 [2025-03-13 22:31:41,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 992 places, 1144 transitions, 2295 flow. Second operand has 2 states, 2 states have (on average 960.5) internal successors, (1921), 2 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:41,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:41,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 960 of 1144 [2025-03-13 22:31:41,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:41,697 INFO L124 PetriNetUnfolderBase]: 27/1040 cut-off events. [2025-03-13 22:31:41,698 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:31:41,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 1040 events. 27/1040 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4036 event pairs, 0 based on Foata normal form. 346/1338 useless extension candidates. Maximal degree in co-relation 967. Up to 27 conditions per place. [2025-03-13 22:31:41,712 INFO L140 encePairwiseOnDemand]: 986/1144 looper letters, 26 selfloop transitions, 0 changer transitions 0/982 dead transitions. [2025-03-13 22:31:41,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 982 transitions, 2023 flow [2025-03-13 22:31:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:31:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:31:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2104 transitions. [2025-03-13 22:31:41,733 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9195804195804196 [2025-03-13 22:31:41,736 INFO L175 Difference]: Start difference. First operand has 992 places, 1144 transitions, 2295 flow. Second operand 2 states and 2104 transitions. [2025-03-13 22:31:41,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 982 transitions, 2023 flow [2025-03-13 22:31:41,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 982 transitions, 2023 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:41,763 INFO L231 Difference]: Finished difference. Result has 959 places, 982 transitions, 1971 flow [2025-03-13 22:31:41,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1144, PETRI_DIFFERENCE_MINUEND_FLOW=1971, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1971, PETRI_PLACES=959, PETRI_TRANSITIONS=982} [2025-03-13 22:31:41,770 INFO L279 CegarLoopForPetriNet]: 992 programPoint places, -33 predicate places. [2025-03-13 22:31:41,772 INFO L471 AbstractCegarLoop]: Abstraction has has 959 places, 982 transitions, 1971 flow [2025-03-13 22:31:41,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 960.5) internal successors, (1921), 2 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:41,773 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:41,773 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:41,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:31:41,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:41,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:41,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1550928456, now seen corresponding path program 1 times [2025-03-13 22:31:41,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:41,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961740245] [2025-03-13 22:31:41,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:41,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:41,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-13 22:31:41,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-13 22:31:41,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:41,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:42,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:42,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961740245] [2025-03-13 22:31:42,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961740245] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:42,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:42,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:42,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681989963] [2025-03-13 22:31:42,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:42,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:42,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:42,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:42,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:42,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 941 out of 1144 [2025-03-13 22:31:42,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 982 transitions, 1971 flow. Second operand has 6 states, 6 states have (on average 942.5) internal successors, (5655), 6 states have internal predecessors, (5655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:42,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:42,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 941 of 1144 [2025-03-13 22:31:42,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:44,006 INFO L124 PetriNetUnfolderBase]: 706/8317 cut-off events. [2025-03-13 22:31:44,007 INFO L125 PetriNetUnfolderBase]: For 6/20 co-relation queries the response was YES. [2025-03-13 22:31:44,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9415 conditions, 8317 events. 706/8317 cut-off events. For 6/20 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 90520 event pairs, 237 based on Foata normal form. 4/7635 useless extension candidates. Maximal degree in co-relation 9411. Up to 936 conditions per place. [2025-03-13 22:31:44,039 INFO L140 encePairwiseOnDemand]: 1113/1144 looper letters, 44 selfloop transitions, 102 changer transitions 0/1083 dead transitions. [2025-03-13 22:31:44,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 1083 transitions, 2465 flow [2025-03-13 22:31:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5793 transitions. [2025-03-13 22:31:44,051 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8439685314685315 [2025-03-13 22:31:44,051 INFO L175 Difference]: Start difference. First operand has 959 places, 982 transitions, 1971 flow. Second operand 6 states and 5793 transitions. [2025-03-13 22:31:44,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 1083 transitions, 2465 flow [2025-03-13 22:31:44,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 1083 transitions, 2465 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:44,068 INFO L231 Difference]: Finished difference. Result has 969 places, 1083 transitions, 2641 flow [2025-03-13 22:31:44,070 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1144, PETRI_DIFFERENCE_MINUEND_FLOW=1971, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=952, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2641, PETRI_PLACES=969, PETRI_TRANSITIONS=1083} [2025-03-13 22:31:44,071 INFO L279 CegarLoopForPetriNet]: 992 programPoint places, -23 predicate places. [2025-03-13 22:31:44,071 INFO L471 AbstractCegarLoop]: Abstraction has has 969 places, 1083 transitions, 2641 flow [2025-03-13 22:31:44,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 942.5) internal successors, (5655), 6 states have internal predecessors, (5655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:44,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:44,074 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:44,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:31:44,074 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:44,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:44,076 INFO L85 PathProgramCache]: Analyzing trace with hash -836690945, now seen corresponding path program 1 times [2025-03-13 22:31:44,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:44,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616609765] [2025-03-13 22:31:44,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:44,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:44,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-13 22:31:44,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-13 22:31:44,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:44,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:44,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:44,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616609765] [2025-03-13 22:31:44,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616609765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:44,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:44,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:44,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930000786] [2025-03-13 22:31:44,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:44,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:44,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:44,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:44,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:44,138 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 950 out of 1144 [2025-03-13 22:31:44,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 969 places, 1083 transitions, 2641 flow. Second operand has 3 states, 3 states have (on average 950.6666666666666) internal successors, (2852), 3 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:44,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:44,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 950 of 1144 [2025-03-13 22:31:44,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:45,439 INFO L124 PetriNetUnfolderBase]: 748/11880 cut-off events. [2025-03-13 22:31:45,439 INFO L125 PetriNetUnfolderBase]: For 1029/1253 co-relation queries the response was YES. [2025-03-13 22:31:45,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13770 conditions, 11880 events. 748/11880 cut-off events. For 1029/1253 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 125353 event pairs, 126 based on Foata normal form. 12/11241 useless extension candidates. Maximal degree in co-relation 13761. Up to 563 conditions per place. [2025-03-13 22:31:45,494 INFO L140 encePairwiseOnDemand]: 1135/1144 looper letters, 154 selfloop transitions, 6 changer transitions 0/1111 dead transitions. [2025-03-13 22:31:45,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 970 places, 1111 transitions, 3065 flow [2025-03-13 22:31:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2917 transitions. [2025-03-13 22:31:45,500 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8499417249417249 [2025-03-13 22:31:45,500 INFO L175 Difference]: Start difference. First operand has 969 places, 1083 transitions, 2641 flow. Second operand 3 states and 2917 transitions. [2025-03-13 22:31:45,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 970 places, 1111 transitions, 3065 flow [2025-03-13 22:31:45,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 970 places, 1111 transitions, 3065 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:45,518 INFO L231 Difference]: Finished difference. Result has 972 places, 1087 transitions, 2687 flow [2025-03-13 22:31:45,519 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1144, PETRI_DIFFERENCE_MINUEND_FLOW=2639, PETRI_DIFFERENCE_MINUEND_PLACES=968, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1082, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1076, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2687, PETRI_PLACES=972, PETRI_TRANSITIONS=1087} [2025-03-13 22:31:45,520 INFO L279 CegarLoopForPetriNet]: 992 programPoint places, -20 predicate places. [2025-03-13 22:31:45,520 INFO L471 AbstractCegarLoop]: Abstraction has has 972 places, 1087 transitions, 2687 flow [2025-03-13 22:31:45,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 950.6666666666666) internal successors, (2852), 3 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:45,521 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:45,521 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:45,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:31:45,522 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:45,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:45,522 INFO L85 PathProgramCache]: Analyzing trace with hash -901047658, now seen corresponding path program 1 times [2025-03-13 22:31:45,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:45,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909323769] [2025-03-13 22:31:45,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:45,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:45,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-13 22:31:45,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-13 22:31:45,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:45,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:45,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:45,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909323769] [2025-03-13 22:31:45,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909323769] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:45,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:45,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:45,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137348056] [2025-03-13 22:31:45,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:45,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:45,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:45,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:45,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:45,562 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 953 out of 1144 [2025-03-13 22:31:45,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 972 places, 1087 transitions, 2687 flow. Second operand has 3 states, 3 states have (on average 953.6666666666666) internal successors, (2861), 3 states have internal predecessors, (2861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:45,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:45,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 953 of 1144 [2025-03-13 22:31:45,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:47,106 INFO L124 PetriNetUnfolderBase]: 893/16328 cut-off events. [2025-03-13 22:31:47,107 INFO L125 PetriNetUnfolderBase]: For 1187/1351 co-relation queries the response was YES. [2025-03-13 22:31:47,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18612 conditions, 16328 events. 893/16328 cut-off events. For 1187/1351 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 183195 event pairs, 106 based on Foata normal form. 12/15576 useless extension candidates. Maximal degree in co-relation 18601. Up to 659 conditions per place. [2025-03-13 22:31:47,164 INFO L140 encePairwiseOnDemand]: 1138/1144 looper letters, 151 selfloop transitions, 4 changer transitions 0/1113 dead transitions. [2025-03-13 22:31:47,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 973 places, 1113 transitions, 3097 flow [2025-03-13 22:31:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:47,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2920 transitions. [2025-03-13 22:31:47,171 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8508158508158508 [2025-03-13 22:31:47,171 INFO L175 Difference]: Start difference. First operand has 972 places, 1087 transitions, 2687 flow. Second operand 3 states and 2920 transitions. [2025-03-13 22:31:47,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 973 places, 1113 transitions, 3097 flow [2025-03-13 22:31:47,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 971 places, 1113 transitions, 3085 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:47,187 INFO L231 Difference]: Finished difference. Result has 973 places, 1089 transitions, 2703 flow [2025-03-13 22:31:47,189 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1144, PETRI_DIFFERENCE_MINUEND_FLOW=2673, PETRI_DIFFERENCE_MINUEND_PLACES=969, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1086, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1082, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2703, PETRI_PLACES=973, PETRI_TRANSITIONS=1089} [2025-03-13 22:31:47,190 INFO L279 CegarLoopForPetriNet]: 992 programPoint places, -19 predicate places. [2025-03-13 22:31:47,190 INFO L471 AbstractCegarLoop]: Abstraction has has 973 places, 1089 transitions, 2703 flow [2025-03-13 22:31:47,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 953.6666666666666) internal successors, (2861), 3 states have internal predecessors, (2861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:47,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:47,192 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:47,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:31:47,192 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:47,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:47,193 INFO L85 PathProgramCache]: Analyzing trace with hash 186591189, now seen corresponding path program 1 times [2025-03-13 22:31:47,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:47,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643638642] [2025-03-13 22:31:47,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:47,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-13 22:31:47,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-13 22:31:47,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:47,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:47,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:47,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643638642] [2025-03-13 22:31:47,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643638642] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:47,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:47,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:31:47,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111721051] [2025-03-13 22:31:47,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:47,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:47,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:47,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:47,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:47,283 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 954 out of 1144 [2025-03-13 22:31:47,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 973 places, 1089 transitions, 2703 flow. Second operand has 3 states, 3 states have (on average 955.3333333333334) internal successors, (2866), 3 states have internal predecessors, (2866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:47,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:47,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 954 of 1144 [2025-03-13 22:31:47,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:49,215 INFO L124 PetriNetUnfolderBase]: 810/15909 cut-off events. [2025-03-13 22:31:49,216 INFO L125 PetriNetUnfolderBase]: For 1190/1810 co-relation queries the response was YES. [2025-03-13 22:31:49,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18227 conditions, 15909 events. 810/15909 cut-off events. For 1190/1810 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 179683 event pairs, 132 based on Foata normal form. 10/15198 useless extension candidates. Maximal degree in co-relation 18215. Up to 789 conditions per place. [2025-03-13 22:31:49,301 INFO L140 encePairwiseOnDemand]: 1141/1144 looper letters, 153 selfloop transitions, 2 changer transitions 0/1116 dead transitions. [2025-03-13 22:31:49,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 975 places, 1116 transitions, 3127 flow [2025-03-13 22:31:49,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2919 transitions. [2025-03-13 22:31:49,306 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8505244755244755 [2025-03-13 22:31:49,307 INFO L175 Difference]: Start difference. First operand has 973 places, 1089 transitions, 2703 flow. Second operand 3 states and 2919 transitions. [2025-03-13 22:31:49,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 975 places, 1116 transitions, 3127 flow [2025-03-13 22:31:49,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 1116 transitions, 3119 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:49,322 INFO L231 Difference]: Finished difference. Result has 974 places, 1089 transitions, 2703 flow [2025-03-13 22:31:49,323 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1144, PETRI_DIFFERENCE_MINUEND_FLOW=2695, PETRI_DIFFERENCE_MINUEND_PLACES=971, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1089, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1087, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2703, PETRI_PLACES=974, PETRI_TRANSITIONS=1089} [2025-03-13 22:31:49,324 INFO L279 CegarLoopForPetriNet]: 992 programPoint places, -18 predicate places. [2025-03-13 22:31:49,324 INFO L471 AbstractCegarLoop]: Abstraction has has 974 places, 1089 transitions, 2703 flow [2025-03-13 22:31:49,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 955.3333333333334) internal successors, (2866), 3 states have internal predecessors, (2866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:49,326 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:49,326 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:49,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:31:49,326 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:49,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:49,327 INFO L85 PathProgramCache]: Analyzing trace with hash -426595835, now seen corresponding path program 1 times [2025-03-13 22:31:49,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:49,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875635107] [2025-03-13 22:31:49,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:49,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:49,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-13 22:31:49,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-13 22:31:49,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:49,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:31:49,350 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-13 22:31:49,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-13 22:31:49,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-13 22:31:49,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:49,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:31:49,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-13 22:31:49,400 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-13 22:31:49,401 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 74 remaining) [2025-03-13 22:31:49,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2025-03-13 22:31:49,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2025-03-13 22:31:49,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2025-03-13 22:31:49,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2025-03-13 22:31:49,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2025-03-13 22:31:49,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2025-03-13 22:31:49,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2025-03-13 22:31:49,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2025-03-13 22:31:49,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2025-03-13 22:31:49,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:31:49,408 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-13 22:31:49,410 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-13 22:31:49,411 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-13 22:31:49,669 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:31:49,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1878 places, 2163 transitions, 4342 flow [2025-03-13 22:31:50,581 INFO L124 PetriNetUnfolderBase]: 327/2379 cut-off events. [2025-03-13 22:31:50,581 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-13 22:31:50,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2391 conditions, 2379 events. 327/2379 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 12841 event pairs, 0 based on Foata normal form. 0/1961 useless extension candidates. Maximal degree in co-relation 2170. Up to 12 conditions per place. [2025-03-13 22:31:50,675 INFO L82 GeneralOperation]: Start removeDead. Operand has 1878 places, 2163 transitions, 4342 flow [2025-03-13 22:31:50,713 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1878 places, 2163 transitions, 4342 flow [2025-03-13 22:31:50,714 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:31:50,714 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f965545, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:31:50,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2025-03-13 22:31:50,717 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:31:50,717 INFO L124 PetriNetUnfolderBase]: 12/65 cut-off events. [2025-03-13 22:31:50,717 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:31:50,717 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:50,717 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:50,718 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2025-03-13 22:31:50,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:50,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1247486568, now seen corresponding path program 1 times [2025-03-13 22:31:50,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:50,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045802364] [2025-03-13 22:31:50,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:50,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:50,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-13 22:31:50,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-13 22:31:50,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:50,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:50,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:50,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045802364] [2025-03-13 22:31:50,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045802364] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:50,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:50,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:50,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388851907] [2025-03-13 22:31:50,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:50,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:31:50,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:50,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:31:50,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:31:50,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1815 out of 2163 [2025-03-13 22:31:50,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1878 places, 2163 transitions, 4342 flow. Second operand has 2 states, 2 states have (on average 1815.5) internal successors, (3631), 2 states have internal predecessors, (3631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:50,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:50,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1815 of 2163 [2025-03-13 22:31:50,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:56,325 INFO L124 PetriNetUnfolderBase]: 1327/27327 cut-off events. [2025-03-13 22:31:56,326 INFO L125 PetriNetUnfolderBase]: For 257/257 co-relation queries the response was YES. [2025-03-13 22:31:56,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28810 conditions, 27327 events. 1327/27327 cut-off events. For 257/257 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 363347 event pairs, 648 based on Foata normal form. 10552/36491 useless extension candidates. Maximal degree in co-relation 2329. Up to 1351 conditions per place. [2025-03-13 22:31:56,828 INFO L140 encePairwiseOnDemand]: 1867/2163 looper letters, 52 selfloop transitions, 0 changer transitions 0/1863 dead transitions. [2025-03-13 22:31:56,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1815 places, 1863 transitions, 3846 flow [2025-03-13 22:31:56,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:31:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:31:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3978 transitions. [2025-03-13 22:31:56,836 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9195561719833565 [2025-03-13 22:31:56,836 INFO L175 Difference]: Start difference. First operand has 1878 places, 2163 transitions, 4342 flow. Second operand 2 states and 3978 transitions. [2025-03-13 22:31:56,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1815 places, 1863 transitions, 3846 flow [2025-03-13 22:31:56,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1815 places, 1863 transitions, 3846 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:56,862 INFO L231 Difference]: Finished difference. Result has 1815 places, 1863 transitions, 3742 flow [2025-03-13 22:31:56,864 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=2163, PETRI_DIFFERENCE_MINUEND_FLOW=3742, PETRI_DIFFERENCE_MINUEND_PLACES=1814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1863, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3742, PETRI_PLACES=1815, PETRI_TRANSITIONS=1863} [2025-03-13 22:31:56,865 INFO L279 CegarLoopForPetriNet]: 1878 programPoint places, -63 predicate places. [2025-03-13 22:31:56,865 INFO L471 AbstractCegarLoop]: Abstraction has has 1815 places, 1863 transitions, 3742 flow [2025-03-13 22:31:56,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1815.5) internal successors, (3631), 2 states have internal predecessors, (3631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:56,868 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:56,868 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:56,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:31:56,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2025-03-13 22:31:56,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:56,869 INFO L85 PathProgramCache]: Analyzing trace with hash 457782168, now seen corresponding path program 1 times [2025-03-13 22:31:56,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:56,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679076977] [2025-03-13 22:31:56,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:56,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:56,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-13 22:31:56,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-13 22:31:56,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:56,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:57,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:57,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679076977] [2025-03-13 22:31:57,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679076977] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:57,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:57,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872922371] [2025-03-13 22:31:57,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:57,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:57,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:57,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:57,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:57,617 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1796 out of 2163 [2025-03-13 22:31:57,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1815 places, 1863 transitions, 3742 flow. Second operand has 6 states, 6 states have (on average 1797.5) internal successors, (10785), 6 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:57,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:57,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1796 of 2163 [2025-03-13 22:31:57,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand